/*
 * Copyright (c) 2006 Hyperic, Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package com.test.sigar;

import org.hyperic.sigar.DirUsage;
import org.hyperic.sigar.SigarException;

/**
 * Display usage for a directory recursively
 */
public class Du extends SigarCommandBase {

  // like du -s -b
  public Du(Shell shell) {
    super(shell);
  }

  public Du() {
    super();
  }

  public String getUsageShort() {
    return "Display usage for a directory recursively";
  }

  protected boolean validateArgs(String[] args) {
    return args.length == 1;
  }

  public void output(String[] args) throws SigarException {
    String dir=args[0];
    DirUsage du=this.sigar.getDirUsage(dir);
    println(du.getDiskUsage() + "\t" + dir);
  }

  public static void main(String[] args) throws Exception {
    new Du().processCommand(args);
  }
}
